Attendance for antenatal care.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D005260:Female; D006773:Hospitals, Municipal; D006801:Humans; D007231:Infant, Newborn; D008131:London; D010349:Patient Compliance; D011247:Pregnancy; D011295:Prenatal Care; D012923:Social Class